ここは私が払います。

here (place physically close to the speaker, place pointed by the speaker while explaining); this place; these last (followed by a duration noun and a past sentence: time period before the present time of the speaker); these next ... (followed by a duration noun and a non past sentence: time period after the present time of the speaker); the next ...

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

I; me; private affairs; personal matter; secrecy; selfishness

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

to pay (e.g. money, bill); to brush off; to wipe away; to clear away; to dust off; to cut off (e.g. branches); to drive away (e.g. one's competitors); to sell off (something unneeded); to dispose of; to pay (e.g. attention); to show (e.g. respect, concern); to make (e.g. effort, sacrifice); to expend; to exert; to move out (of one's own place); to vacate; to sweep (e.g. one's legs); to knock aside; to make a sweeping stroke (in Japanese calligraphy); to reset (an abacus)