WV but only for edge pieces- is this a thing?

Yep. MGLS. You insert the F2L edge while orienting LL edges, then insert the F2L corner while orienting LL corners. So the step you mention is a substep of MGLS called ELS.

EDIT: You could also just be talking about partial edge control. For example set up your cube with F R' F' R. You could do U R U' R' and insert the pair, but that would leave you with two unoriented edges. R' F R F' instead would flip the unflipped edges. There are different algs for different cases like this, and many can be done intuitively.
 
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EOLS - edge orientation while solving the last pair in one step. 302 algs.
VHLS - subset of EOLS for when a pair is already made, or is one move away. 32 algs.

What. More like 7, if you don't count mirrors and the RU'R' case. There is also the RUR' cases, but most of those reduce to another case and are intuitive once you know the other 7. This is a good alg set to know and it's very easy, most of them are pretty intuitive.
 
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