In SICP 3.2, The Environment Model of Evaluation, is an environment initially the same as its first frame?

The sequence of frames is the linked list (of frames) pointing 'upwards' towards the global environment. So when an environment is created (for example, in the context of a procedure binding), the 'environment' is a pointer to the frame...which in term points to the enclosing environment (or null, if the global environment).

A lot of times, people use "environment" and "frame" interchangeably. Personally, I've always tried to keep them distinct. I use frame to mean a particular stack and an environment to be all the frames.

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