place, extent
所 centers on a physical or abstract location: a place, spot, or setting. The sense of extent grows naturally from the idea of a bounded area or scope.
place; spot; scene; site
place; location; spot; position; area
office
possession; ownership
neighbourhood; neighborhood; vicinity
what is called; what you call; what they call; so-called
belonging to (a group, organization, etc.); affiliation (with); being attached to; being under the control of; serving (in the military, congress, etc.)
address (of a home, business, etc.); residence; domicile
research institute; (research) laboratory
place; point; part; spot; area; passage; portion
court; courthouse
by the way; incidentally; well; now
possession; having (on one's person); carrying (with one)
income; earnings
prison; jail; gaol; penitentiary
even so; however; still; whereupon; even though; nevertheless; on the contrary; as a matter of fact; despite
another place; somewhere else; strange parts
whereabouts; place; location
municipal office; council; city hall
government office; public office
kitchen
location (of); position; whereabouts; place where one is
location; address
famous place; noted place; place of (scenic or historical) interest; sights (to see)
所 combines 戶 (door) and 斤 (axe). The traditional explanation is that an axe by a door marks a place or location, though the exact historical development is uncertain.
Picture an axe 斤 leaning beside a door 戶, marking the spot where wood is chopped. That spot is a place.
For ショ, imagine a show being performed at a specific place: show -> ショ, and the door marks the entrance to the venue.