focus (n.)
- adductor
- approach
- asymptote
- axiom
- bottleneck
- center
- clear
- concentrate
- concentration
- concourse
- concurrence
- confluence
- conflux
- congress
- convergence
- converging
- core
- crossing
- cynosure
- elixir
- essence
- essential
- fix
- flower
- focalization
- fundamental
- funnel
- gist
- heart
- hub
- hypostasis
- kernel
- lodestar
- lure
- magnet
- marrow
- meat
- meet
- meeting
- nave
- nerve
- nub
- nucleus
- pinpoint
- pith
- polestar
- postulate
- principle
- put
- quid
- quiddity
- quintessence
- radius
- rivet
- sap
- soul
- spirit
- spotlight
- stuff
- substance
- tangent
- target
