WHAT DOES JDM HONDA S2000 F20C ENGINE FOR SALE MEAN?

Couldn’t have requested for a better-made use of engine, which the B16b ya’ll hooked me up with. My Pretty CIVIC is now back again to daily life. Thanks a bunch!Issue: 60k. A = Below or equal to 60k miles, or bigger than 60k miles but less than or equivalent to 200k miles and below or equal to 15k miles a year. B = Larger than 60k miles and und