I am a Linux guy and I use a lot of programming and system administration or analogs for it in my magic.
Name binding is is the association of entities with identifiers.
Scope is the region of a where the binding is valid: where the name can be used to refer to the entity. That region is sometimes referred to as a scope block.
Both me and @h4glaIV evoke Eris. He does so directly, I do so indirectly via a thoughtform that has Eris mix-ins. Is the Eris we are interfacing with in the same scope block?
E.A. Koetting invokes Azazel, but Orlee Stewart also invokes Azazel. Is that Azazel in the same scope block?
Azathoth in its own lore says explicitly that there is only one of them. Does that necessarily mean that every Azathoth is in the same scope block?