EASY (IER) KANJI - JLPT 3 KYUU

This one doesn't seem to have a concrete meaning, but is used with other kanjis

1) i - more, with, through, on account of

以下 i ka - below, less than, under
以上 i jou - more than, over, this is all
以心伝心 i shin den shin - telepathy, mind reading