What is the meaning of 来る?

to come (toward the speaker)

to come; to be upon one

to come and stimulate

when it comes to

[with (verb in ren'yōkei +) て (te)]

1. to do something in the direction of the speaker

   to do something in the direction of the speaker

   to go somewhere else, do something, and then come back

   to do something and thereby come about, appear, come to be

   used to express that a certain action having continued or repeated has led to the current state

   used to express that a state has been reached

   to come, to arrive

   Source: wiktionary.org