An enclosed place
The means of enclosure
A writing instrument
Types of pens and pen points include: fountain, ink, common, desk, drawing, ruling, marker, artist's, calligraphic, reed, quill, steel, ball point, felt tip, roller ball, highlighter, biro (British); nib, stub, fine, coarse, Spencerian; Speedball, Sharpie, Osmiroid (all trademarks).
See pen in Webster's New World Roget's A-Z Thesaurus II
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