observar

v. observe, watch, study; monitor, supervise; discern; keep, honour; fulfill religious commandments; follow, abide by; remark, comment

v. attend, observe; look, behold; note, notice; remark, scout; watch, spy; view, sight

= notice, see, watch, spy, behold, observe, eye, remark.
Ex: Notice that records 2 and 4 do not appear on the directory.
Ex: Where the conference cannot be seen to have a name, then the work will normally be treated as a collection.
Ex: Watch what occurs as the letters 'New' and a space are typed.
Ex: She spied Asadorian in earnest converse with McSpadden.
Ex: As Confucius said 'behold the turtle, he makes progress only when his neck is out'.
Ex: This is a very common failing of librarians and can be observed daily: they appear unable to recognise when enough is enough.
Ex: The banking community is eyeing its possibilities with serious interest.
Ex: When Ed Blume was asked at a meeting about LC's failure to have established a heading for rock music for so long, he remarked: 'Today's horse may be tomorrow's carrion'.
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* observar atentamente y durante cierto tiempo = maintain + vigil.
* observar con más detalle = closer look.