3-5 point high approach tobi
has a submissive feel, which is understood if we think of as the starting move in the corner, being a doubtful approach, upon which Black would be happy to play a. Still, there is a decent amount of pro games with this corner pattern.
This is the widest path after which Black either cuts at a or yields at b.
Given Black's submissive and , White will often contend with , especially if the cut is unfavourable. Next Black will tenuki or play a to invite a pushing battle.
If , White will continue at and the pushing battle starts, or White will tenuki.
There are many other variations, but the numbers to support them as a standard pattern do not suffice.