Minecraft (Pocket Edition)
Oak Trees are very common and found in a wide variety of biomes.
Like all trees, they can be cut down with any block, however an Axe is the most efficient method. Please note that if you use your fist to cut down a tree in real life you will likely require medical assistance of one kind or another.
Usage / Purpose
The following parts of the Tree can be harvested for various purposes:
Drops / Yields
Logs, Leaves and Saplings are stackable in your inventory in groups of 64.