Partition is usually done during either a house, office or shop renovation. This is to create additional spacing and privacy by creating additional rooms. The partitions are not a permanent structure, hence it is easier to remove in future without needing hacking off a wall. Besides that, a wood partition is also cheaper than building a brick wall.
Partition of an office is also very common in shop renovation, where we will partition a room as an office in a shop. Another example would be in an office renovation, where partitions are done to dismantle old office rooms and build new office rooms.