[kbenson]

There's a always been more than just those. E.g. declarative languages, such as prolog.

[avmich]

Yes, and even "FORTRAN" side represent several approaches - for example, straightforward imperative, like in assemblers or classic BASIC, or structural - which was a big step forward at the time - like Pascal.

Then you have object-oriented languages, which are still different from structural, string-oriented Tcl, array-oriented APL...