'IClass1.cls
Public Sub Foo()
End Sub

'Class1.cls
Implements IClass1

Public Sub IClass1_Foo()
    Debug.Print "Foo"
End Sub

'Module1
Public Sub Example()
    Dim bar As IClass1
    Set bar = New Class1
    bar.Foo			'<-- This is fine.
    Dim baz As Class1
    Set baz = New Class1
    baz.Foo         '<-- Compile error - method or data member not found.
End Sub

'Class1.cls
Implements IClass1

Public Sub Foo()        '<-- Called from the class instance.
    Debug.Print "Foo"
End Sub

Public Sub IClass1_Foo()    '<-- Called from the interface.
    Me.Foo
End Sub

public Declaration FindSelectedDeclaration(ICodePane activeCodePane, bool procedureLevelOnly = false)
{
    return DeclarationFinder?.FindSelectedDeclaration(activeCodePane);
}

  errNotCreatable = vbObjectError + 100
  errOnlyCallableFromDefault = vbObjectError + 101

Dim foo As Worksheet
Set foo = ActiveWorkbook.Worksheets("Sheet1") ' <~ from Object to Worksheet

Dim x As TypeA
Set x = TypeA
Dim y As ITypeA
Set y = x

:35964348 As things are right now `Function`, `Sub`, `Declaration` I'm pretty sure I have understood.
`Property`, `Method`, `Type`, `Assignment` I'm becoming familiar/almost comfortable with

'Module1
Sub TestOutiClassName()

    Dim someConcrete As SomeClass
    Set someConcrete = New SomeClass

    Dim anotherConcrete As AnotherClass
    Set anotherConcrete = New AnotherClass

    Debug.Print someConcrete.OnlySomeClassGets
    Debug.Print someConcrete.SomeProperty

    Debug.Print anotherConcrete.OnlyAnotherClassHasThis
    Debug.Print anotherConcrete.SomeProperty
    Debug.Print anotherConcrete.OnlyOneClassGetsToUseThis

    Dim someInterface As IClassName
    Set someInterface = New SomeClass

'AnotherClass.cls
Implements IClassName
Implements IExtraClass

Public Function OnlyAnotherClassHasThis() As String
    OnlyAnotherClassHasThis = "Exclusively available to 'AnotherClass'!"
End Function

Public Function SomeProperty() As String
    SomeProperty = "anotherConcrete string." '"This decides *how* to use the method 'IClassName.SomeProperty'"
End Function

Public Function OnlyOneClassGetsToUseThis() As String
    OnlyOneClassGetsToUseThis = "anotherIsolated: Concrete string!"
End Function

'IClassName.cls
Public Function SomeProperty() As String
End Function

'IExtraClass.cls
Public Function OnlyOneClassGetsToUseThis() As String
End Function

'SomeClass.cls
Implements IClassName

Public Function OnlySomeClassGets() As String
    OnlySomeClassGets = "Only for 'SomeClass'."
End Function

Public Function SomeProperty() As String
    SomeProperty = "someConcrete string."
End Function

'Inherited Stuff
Private Function IClassName_SomeProperty() As String
    IClassName_SomeProperty = "someInherited string."
End Function

Option Explicit

Private Declare Sub CopyMemory Lib "kernel32.dll" Alias "RtlMoveMemory" (hpvDest As Any, hpvSource As Any, ByVal cbCopy As Long)

Private Type TPoint
    X As Double
    Y As Double
End Type

Private this As TPoint

Public Function Make(ByVal X As Double, ByVal Y As Double) As Point
    Dim newPoint As Point
    Set newPoint = New Point
    SwapFunctions
    newPoint.Make X, Y
    SwapFunctions
End Function

Private Function InternalInitialize(ByVal X As Double, ByVal Y As Double) As Point

        [TestMethod]
        [TestCategory("TokenStreamRewriter")]
        public void RewriterInsertsRewriterOutputAtLine1()
        {
            const string content = "test";
            var module = new Mock<ICodeModule>();
            module.Setup(m => m.Clear());

            var tokens = new List<IToken> { new CommonToken(0, content)};
            var rewriter = new TokenStreamRewriter(new CommonTokenStream(new ListTokenSource(tokens)));

            CodeModuleExtensions.Rewrite(module.Object, rewriter);