In knitting|lang=en terms the difference between wyif and wyib
is that wyif is (knitting) with yarn in front while wyib is (knitting) with yarn in back.
wyif
English
===(
en)===
(
en-abbr)
(knitting) with yarn in front wyib
English
===(
en)===
(
en-abbr)
(knitting) with yarn in back