Opt for and Pin down

Opt for verb - To decide to accept (someone or something) from a group of possibilities.

Pin down and opt for are semantically related in pick out topic. In some cases you can use "Pin down" instead a verb "Opt for".

Pin down verb - Attach with or as if with a pin.

Opt for and pin down are semantically related in pick out topic. Sometimes you can use "Opt for" instead a verb "Pin down".