Corrections are when price moves against the trend. They are basically counter trend moves. Another correction can be when the market makes a huge move for no real reason then goes back thats a correction.
Consolidating is when lets say we have been in a down trend then price stops and just seems to group up in one spot thats a consolidation.
I disagree about about corrections, to me it’s just a nice word the stock market traders use when shares crash, what it really means is - Oh F**K the markets crashed and we’ve gambled all the public’s money away, but if we just call it a correction it won’t sound so bad.