Okay so my brain is starting to hurt like fr, so there is this kanji 行 which is for journey and… - Feed Post by Mei_Komorio1

Okay so my brain is starting to hurt like fr, so there is this kanji 行 which is for journey and the kun for this word is い.く ,ゆ.く and おこ.な , so my question is what is up with the ku and ki like does that mean it turns into a verb ? idek and like when do i use each of them ?