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Disconnects:
Are they classified as terminals, connectors, both or neither?
Picture shows: bullet, knife, quick-connect
EDIT: revisited this after 6 years of research on the general topic of connectors. Conclusion: I was wrong to try to force disconnects into one of those two classes. Instead, I now see that disconnects are part of a third class: Single-circuit connectors (my site).
Terminals are where conductors or wires "terminate" and usually, in an electrical context, are a semi-permanent fixture (that requires, for example, a screwdriver to un-terminate). Items 2 and 22 in your list would qualify by that definition.
Everything else appears to be plug and socket style connectors.
You'll just have to accept the fact that both "terminal" and "connector" are very broad terms that have a lot of overlap.
Generally speaking, a "terminal" in this context is something that goes on the end of a single conductor (e.g., a wire or PCB trace) in order to facilitate making connections.
A "connector" is a broader term that generally implies a housing that physically supports and insulates one or contacts (or terminals), and may include features such as alignment, strain relief, latching and protection from intrusion.
