diff --git a/documentation/IDTA-01002-3/modules/ROOT/pages/index.adoc b/documentation/IDTA-01002-3/modules/ROOT/pages/index.adoc
index 4eb6fd6e..4be2e39b 100644
--- a/documentation/IDTA-01002-3/modules/ROOT/pages/index.adoc
+++ b/documentation/IDTA-01002-3/modules/ROOT/pages/index.adoc
@@ -12,18 +12,57 @@ This is version 3.2.0 of the specification IDTA-01002.
 
 Previous version: 3.1.2
 
-[#metamodel-versions]
-== Metamodel Versions
+[#cross-spec-alignment]
+=== Alignment with other AAS Specifications
 
-This document uses the following parts of the “Specification of the Asset Administration Shell” series:
+This version of IDTA-01002 (v3.2) is designed to be used together with the following companion specifications:
 
-* IDTA-01001 Part 1: Metamodel in version 3.2 xref:bibliography.adoc#bib1[[1\]]
-* IDTA-01003-a Part 3a: Data Specification – IEC 61360 in version 3.1 xref:bibliography.adoc#bib2[[2\]]
-* IDTA-01003-b Part 3b: Data Specification – Measurement Units in version 3.0 xref:bibliography.adoc#bib15[[15\]]
-* IDTA-01004 Part 4: Security in version 3.1 xref:bibliography.adoc#bib3[[3\]]
-* IDTA-01005 Part 5: Package File Format (AASX) in version 3.1 xref:bibliography.adoc#bib4[[4\]]
+[cols="1,2,2,3",options="header"]
+|===
+h| Dependency h| Specification h| Aligned Version h| Notes
 
-If there are bugfixes of the parts, these shall be used.
+| x | IDTA-01001 Part 1: Metamodel
+| v3.2
+a| 
+API: 
+
+* defines payload of many API operations like `GetAssetAdministrationShell`, `GetSubmodel` etc. (collected in `Part1-MetaModel-Schemas`)
+* is the basis for derived data types for payload like `AssetLink`, `SubmodelDescriptor` etc. used in Registry or Discovery API operations
+* defines mapping rules for serializations like `Value`, `Metadata` etc.
+
+Query Language: 
+
+* defines the classes referenced by `$aas`, `$sm`, `$sme`, `$cd` 
+* defines the attributes used in conditions like  `semanticId`, `specificAssetIds` etc.
+
+| x | IDTA-01003-a Part 3a: Data Specification Template IEC61360
+| v3.1
+a| is integrated into the schema of Part 1
+
+| x | IDTA-01003-b Part 3b: Data Specification Template Measurement Units
+| v3.0
+a| is integrated into the schema of Part 1
+
+| x | IDTA-01004 Part 4: Security
+| v3.1
+a| 
+
+API:
+
+* security measurements shall be applied to API
+* access control rules shall be implemented (Note: if an implementation only supports a subset of access control rules this shall be specified)
+
+
+Query Language: 
+
+* IDTA-01002 and IDTA-01004 share the same BNF grammar and JSON Schema for formula expressions; see xref:query-language.adoc[] and the Access Rule Model in IDTA-01004.
+
+| x | IDTA-01005 Part 5: Package File Format (AASX)
+| v3.2
+a| defines return object for API operations like `GetAASXByPackageId`
+|===
+
+Bugfix (patch) releases of aligned specifications shall be substituted. 
 
 == Notice