diff --git a/IFC4x3/Quantities/a/Area_0ghx$p4BP9bPO6p1adKSEF/Documentation.md b/IFC4x3/Quantities/a/Area_0ghx$p4BP9bPO6p1adKSEF/Documentation.md
index 83e20d8e4..3edd101ee 100644
--- a/IFC4x3/Quantities/a/Area_0ghx$p4BP9bPO6p1adKSEF/Documentation.md
+++ b/IFC4x3/Quantities/a/Area_0ghx$p4BP9bPO6p1adKSEF/Documentation.md
@@ -1 +1,3 @@
+Calculated area for the object.
+
Total area of the outer lining of the window.
diff --git a/IFC4x3/Quantities/a/Area_1CnNsFYBT6$AemE3IaDxL7/Documentation.md b/IFC4x3/Quantities/a/Area_1CnNsFYBT6$AemE3IaDxL7/Documentation.md
index 48cbd284d..5bbc91cec 100644
--- a/IFC4x3/Quantities/a/Area_1CnNsFYBT6$AemE3IaDxL7/Documentation.md
+++ b/IFC4x3/Quantities/a/Area_1CnNsFYBT6$AemE3IaDxL7/Documentation.md
@@ -1 +1 @@
-Measured plan area
+Calculated area for the object.
diff --git a/IFC4x3/Quantities/a/Area_1WROcqqYjDCOj4JQqqzQwC/Documentation.md b/IFC4x3/Quantities/a/Area_1WROcqqYjDCOj4JQqqzQwC/Documentation.md
index 0024f8be1..0c1b2a070 100644
--- a/IFC4x3/Quantities/a/Area_1WROcqqYjDCOj4JQqqzQwC/Documentation.md
+++ b/IFC4x3/Quantities/a/Area_1WROcqqYjDCOj4JQqqzQwC/Documentation.md
@@ -1 +1,3 @@
+Calculated area for the object.
+
Actual area of upper surface of shape.
diff --git a/IFC4x3/Quantities/a/Area_1Z0opsKy51wvKZDpfJdCc_/Documentation.md b/IFC4x3/Quantities/a/Area_1Z0opsKy51wvKZDpfJdCc_/Documentation.md
index 9b071bf8f..9114500a0 100644
--- a/IFC4x3/Quantities/a/Area_1Z0opsKy51wvKZDpfJdCc_/Documentation.md
+++ b/IFC4x3/Quantities/a/Area_1Z0opsKy51wvKZDpfJdCc_/Documentation.md
@@ -1 +1,3 @@
+Calculated area for the object.
+
Area of the opening as viewed by an elevation view (for wall openings) or as viewed by a ground floor view (for slab openings).
diff --git a/IFC4x3/Quantities/a/Area_1cEbPpN7L4E8Pc7CR8aDZC/Documentation.md b/IFC4x3/Quantities/a/Area_1cEbPpN7L4E8Pc7CR8aDZC/Documentation.md
index 79717a307..38f8cafe2 100644
--- a/IFC4x3/Quantities/a/Area_1cEbPpN7L4E8Pc7CR8aDZC/Documentation.md
+++ b/IFC4x3/Quantities/a/Area_1cEbPpN7L4E8Pc7CR8aDZC/Documentation.md
@@ -1 +1,3 @@
+Calculated area for the object.
+
Total area of the outer lining of the door.
diff --git a/IFC4x3/Quantities/a/Area_30mgAbQ1T07OVkS7olRIhF/Documentation.md b/IFC4x3/Quantities/a/Area_30mgAbQ1T07OVkS7olRIhF/Documentation.md
index 8e2e3c9d9..8a9fd9fd1 100644
--- a/IFC4x3/Quantities/a/Area_30mgAbQ1T07OVkS7olRIhF/Documentation.md
+++ b/IFC4x3/Quantities/a/Area_30mgAbQ1T07OVkS7olRIhF/Documentation.md
@@ -1 +1,3 @@
+Calculated area for the object.
+
Area represented, if lower edge of stratum known.
diff --git a/IFC4x3/Quantities/a/Area_3oeSf80G93jhm$lrcvCmdP/Documentation.md b/IFC4x3/Quantities/a/Area_3oeSf80G93jhm$lrcvCmdP/Documentation.md
index a3bb9f4a0..790ebde9f 100644
--- a/IFC4x3/Quantities/a/Area_3oeSf80G93jhm$lrcvCmdP/Documentation.md
+++ b/IFC4x3/Quantities/a/Area_3oeSf80G93jhm$lrcvCmdP/Documentation.md
@@ -1 +1,3 @@
-Area of the projection as viewed by an elevation view (for wall projections or as viewed by a ground floor view (for slab projections).
+Calculated area for the object.
+
+Area of the projection as viewed by an elevation view (for wall projections) or as viewed by a ground floor view (for slab projections).
diff --git a/IFC4x3/Quantities/c/CrossSectionArea_0PPnhNUJTDPeNa7OZnh4ij/Documentation.md b/IFC4x3/Quantities/c/CrossSectionArea_0PPnhNUJTDPeNa7OZnh4ij/Documentation.md
index 2d60afcef..cb0b65272 100644
--- a/IFC4x3/Quantities/c/CrossSectionArea_0PPnhNUJTDPeNa7OZnh4ij/Documentation.md
+++ b/IFC4x3/Quantities/c/CrossSectionArea_0PPnhNUJTDPeNa7OZnh4ij/Documentation.md
@@ -1 +1 @@
-Total area of the cross section (or profile) of the beam.
+Total area of the cross section (or profile) of the object.
diff --git a/IFC4x3/Quantities/c/CrossSectionArea_0emE4jyCbE2fJiXgNRE_O9/Documentation.md b/IFC4x3/Quantities/c/CrossSectionArea_0emE4jyCbE2fJiXgNRE_O9/Documentation.md
index 1e21b08e3..cb0b65272 100644
--- a/IFC4x3/Quantities/c/CrossSectionArea_0emE4jyCbE2fJiXgNRE_O9/Documentation.md
+++ b/IFC4x3/Quantities/c/CrossSectionArea_0emE4jyCbE2fJiXgNRE_O9/Documentation.md
@@ -1 +1 @@
-Total area of the cross section (or profile) of the pile.
+Total area of the cross section (or profile) of the object.
diff --git a/IFC4x3/Quantities/c/CrossSectionArea_0uyuKqXOz1N8mN8NTuQ33t/Documentation.md b/IFC4x3/Quantities/c/CrossSectionArea_0uyuKqXOz1N8mN8NTuQ33t/Documentation.md
index 3526eb4f7..cb0b65272 100644
--- a/IFC4x3/Quantities/c/CrossSectionArea_0uyuKqXOz1N8mN8NTuQ33t/Documentation.md
+++ b/IFC4x3/Quantities/c/CrossSectionArea_0uyuKqXOz1N8mN8NTuQ33t/Documentation.md
@@ -1 +1 @@
-Area of the cross section.
+Total area of the cross section (or profile) of the object.
diff --git a/IFC4x3/Quantities/c/CrossSectionArea_0vA4m$lVzAix3yMfG26YjY/Documentation.md b/IFC4x3/Quantities/c/CrossSectionArea_0vA4m$lVzAix3yMfG26YjY/Documentation.md
index 3526eb4f7..cb0b65272 100644
--- a/IFC4x3/Quantities/c/CrossSectionArea_0vA4m$lVzAix3yMfG26YjY/Documentation.md
+++ b/IFC4x3/Quantities/c/CrossSectionArea_0vA4m$lVzAix3yMfG26YjY/Documentation.md
@@ -1 +1 @@
-Area of the cross section.
+Total area of the cross section (or profile) of the object.
diff --git a/IFC4x3/Quantities/c/CrossSectionArea_1CJ9V2eIP2VOxFOXznhRyr/Documentation.md b/IFC4x3/Quantities/c/CrossSectionArea_1CJ9V2eIP2VOxFOXznhRyr/Documentation.md
index 43905c837..cb0b65272 100644
--- a/IFC4x3/Quantities/c/CrossSectionArea_1CJ9V2eIP2VOxFOXznhRyr/Documentation.md
+++ b/IFC4x3/Quantities/c/CrossSectionArea_1CJ9V2eIP2VOxFOXznhRyr/Documentation.md
@@ -1 +1 @@
-Total area of the cross section (or profile) of the member.
+Total area of the cross section (or profile) of the object.
diff --git a/IFC4x3/Quantities/c/CrossSectionArea_2$G4u$rCL82vYqsTtwoWn4/Documentation.md b/IFC4x3/Quantities/c/CrossSectionArea_2$G4u$rCL82vYqsTtwoWn4/Documentation.md
index 23e1b751e..cb0b65272 100644
--- a/IFC4x3/Quantities/c/CrossSectionArea_2$G4u$rCL82vYqsTtwoWn4/Documentation.md
+++ b/IFC4x3/Quantities/c/CrossSectionArea_2$G4u$rCL82vYqsTtwoWn4/Documentation.md
@@ -1 +1 @@
-Total area of the cross section (or profile) of the footing.
+Total area of the cross section (or profile) of the object.
diff --git a/IFC4x3/Quantities/c/CrossSectionArea_3azvi2X2n83u27ua2yTjY7/Documentation.md b/IFC4x3/Quantities/c/CrossSectionArea_3azvi2X2n83u27ua2yTjY7/Documentation.md
index 238575ded..cb0b65272 100644
--- a/IFC4x3/Quantities/c/CrossSectionArea_3azvi2X2n83u27ua2yTjY7/Documentation.md
+++ b/IFC4x3/Quantities/c/CrossSectionArea_3azvi2X2n83u27ua2yTjY7/Documentation.md
@@ -1 +1 @@
-Total area of the cross section (or profile) of the column.
+Total area of the cross section (or profile) of the object.
diff --git a/IFC4x3/Quantities/d/Depth_1AXq7x3FH3sAkrb38n1WIf/Documentation.md b/IFC4x3/Quantities/d/Depth_1AXq7x3FH3sAkrb38n1WIf/Documentation.md
index ce28fb429..ba3bdd663 100644
--- a/IFC4x3/Quantities/d/Depth_1AXq7x3FH3sAkrb38n1WIf/Documentation.md
+++ b/IFC4x3/Quantities/d/Depth_1AXq7x3FH3sAkrb38n1WIf/Documentation.md
@@ -1 +1,3 @@
+The depth of the object.
+
Depth (or thickness) of the opening, in case of openings it shall be identical to the width (or thickness) of the voided element, in case of recesses it shall be less. Only provided, if the depth is constant.
diff --git a/IFC4x3/Quantities/d/Depth_1EfY1EUxjCYfMfDim4N8cC/Documentation.md b/IFC4x3/Quantities/d/Depth_1EfY1EUxjCYfMfDim4N8cC/Documentation.md
index 5c894ca15..28c76ab9c 100644
--- a/IFC4x3/Quantities/d/Depth_1EfY1EUxjCYfMfDim4N8cC/Documentation.md
+++ b/IFC4x3/Quantities/d/Depth_1EfY1EUxjCYfMfDim4N8cC/Documentation.md
@@ -1,2 +1,4 @@
+The depth of the object.
+
Depth (one direction of the non-projected foot print area) of the slab. It shall only be provided, if the slab is rectangular.
-> NOTE Also refered to as width, but not to be confused with the "Width" quantity, that denotes the thickness in the context of the slab.
+>NOTE Also referred to as width, but not to be confused with the "Width" quantity, that denotes the thickness in the context of the slab.
diff --git a/IFC4x3/Quantities/d/Depth_3RJBqFyPr5BuHqJx2YiXLV/DocQuantity.xml b/IFC4x3/Quantities/d/Depth_3RJBqFyPr5BuHqJx2YiXLV/DocQuantity.xml
index 30735e3d5..3b75f8841 100644
--- a/IFC4x3/Quantities/d/Depth_3RJBqFyPr5BuHqJx2YiXLV/DocQuantity.xml
+++ b/IFC4x3/Quantities/d/Depth_3RJBqFyPr5BuHqJx2YiXLV/DocQuantity.xml
@@ -1,3 +1,3 @@
-
+
diff --git a/IFC4x3/Quantities/d/Depth_3RJBqFyPr5BuHqJx2YiXLV/Documentation.md b/IFC4x3/Quantities/d/Depth_3RJBqFyPr5BuHqJx2YiXLV/Documentation.md
index 3ad891c6f..78d0a73ad 100644
--- a/IFC4x3/Quantities/d/Depth_3RJBqFyPr5BuHqJx2YiXLV/Documentation.md
+++ b/IFC4x3/Quantities/d/Depth_3RJBqFyPr5BuHqJx2YiXLV/Documentation.md
@@ -1 +1,3 @@
+The depth of the object.
+
Indicates the depth of the element.
diff --git a/IFC4x3/Quantities/d/Diameter_0vS54g5YD0D8XXzjqMTI8V/Documentation.md b/IFC4x3/Quantities/d/Diameter_0vS54g5YD0D8XXzjqMTI8V/Documentation.md
index d66259936..aec7dae00 100644
--- a/IFC4x3/Quantities/d/Diameter_0vS54g5YD0D8XXzjqMTI8V/Documentation.md
+++ b/IFC4x3/Quantities/d/Diameter_0vS54g5YD0D8XXzjqMTI8V/Documentation.md
@@ -1 +1 @@
-Actual diameter of sample or segment.
+The Diameter of the object.
diff --git a/IFC4x3/Quantities/f/FootPrintArea_2$0cTYdvf6QO8z1nvVIBpB/Documentation.md b/IFC4x3/Quantities/f/FootPrintArea_2$0cTYdvf6QO8z1nvVIBpB/Documentation.md
index 05104c737..d663e5503 100644
--- a/IFC4x3/Quantities/f/FootPrintArea_2$0cTYdvf6QO8z1nvVIBpB/Documentation.md
+++ b/IFC4x3/Quantities/f/FootPrintArea_2$0cTYdvf6QO8z1nvVIBpB/Documentation.md
@@ -1 +1 @@
-Gross area of the site covered by the element.
+Gross area of the site covered by the building(s).
diff --git a/IFC4x3/Quantities/f/FootprintArea_340fmI0CnBFRkREE87BmUJ/DocQuantity.xml b/IFC4x3/Quantities/f/FootPrintArea_340fmI0CnBFRkREE87BmUJ/DocQuantity.xml
similarity index 90%
rename from IFC4x3/Quantities/f/FootprintArea_340fmI0CnBFRkREE87BmUJ/DocQuantity.xml
rename to IFC4x3/Quantities/f/FootPrintArea_340fmI0CnBFRkREE87BmUJ/DocQuantity.xml
index 77a7be66b..20ae4aa89 100644
--- a/IFC4x3/Quantities/f/FootprintArea_340fmI0CnBFRkREE87BmUJ/DocQuantity.xml
+++ b/IFC4x3/Quantities/f/FootPrintArea_340fmI0CnBFRkREE87BmUJ/DocQuantity.xml
@@ -1,5 +1,5 @@
-