3-4, 5-3 enclosure, 4-3 invasion
Keywords: Joseki
Without neighbouring stones, White will often sacrifice and treat
and
as forcing moves, serving to create something at the top.
If White has neighbouring stones, she can start thinking about persisting the invasion. If the stones are far away, Black can still kill the invasion. But his surrounding position is quite thin and if the conditions become favourable, White has a possibility to cut and make a fight of it.
Do a search on the position to organize the material.