Noundot; spot; point; speck; mark · mark (in an exam, etc.); grade; score; points · point (in a game); score; goal; run

Nounfocus; focal point · focus (of attention, a discussion, etc.); point at issue; central point · focus

Nounvertex; apex · top (e.g. of a mountain); summit; peak · top (of a profession, field, etc.); summit

Nounbase (of a polygon) · bottom (of the social scale); lower levels; lower classes · base (e.g. of support); foundation; basis

Nounbase (logarithmic, exponential, number system); radix · base (triangle, cone, cylinder, etc.) · type; kind; extent; degree