For merges current is the branch you are on, for rebases it helps to see them as...

		afiori 43 days ago \| parent \| context \| favorite \| on: Git Rebase for the Terrified For merges current is the branch you are on, for rebases it helps to see them as a serie of cherry picks, so current would be the branch you would be on while doing the cherry pick equivalent to this step of the rebase.