Condo vs Townhouse

What is a condo? What is a townhouse?

CondoTownhouseStructure A home that is part of a larger structure, similar to an apartment buildingA home that shares adjoining walls with a row of similar homesOwnership Resident only owns the interiorResident owns the interior plus the yard on which it is situatedLegal Status Governed by specific statutes varying per stateLaws like those applicable to single family homesInterior Typically one-level, may be on any floorStarts on ground-level, may be multi-storied

Ref: http://blog.nothnagle.com/2014/01/22/condo-vs-townhouse/