Multiple choice = when choice is multiple (e.g. 1. 2. 3. etc.) number means "yes", its absence means "no: lack of the feature", unless a note states otherwise

Commands menus = are usually indicated between double quotes, specific commands within menus or selection panels are introduced by an arrow, e.g. "Edit" -> Show clipboard, means: "open the Edit menu and select Show clipboard"; also a sequence like Edit | Show clipboard, would mean the same

A/D = ascending / descending sort order

Administrator = site Administrator(s) for EndNote Web. Administrator(s) with valid ID and pwd given by Thomson Reuters, can have access -not in Roaming mode- to various tools and perform tasks that are not available to individual users: view usage statistics, upload citation styles, import filters, online search connection settings. Since he can customize styles, filters and connections within En desktop, customization of importing, formatting output (citations, lists, manuscript) and online searching is possible in EW only via the action of the Administrato(s).
The administrator tools would still be accessible to an institution that does not have any access to other Thomson Reuters or WoK databases, i.e.: A site does not need to have WoK access in order to have an EndNote Web administrator

b/e = beginning / end of field or record

BFS = bibliography formatting software

BMS = bibliography management software

CDF = Comma Delimited File format

CSV = Comma separated value file format

CWYW =  "cite-while-you-write" (™Thomson Reuters): BMS installed within the word processor, acting as third party software searching and inserting citations directly from the final text document in and out the bibliographic database. It offers all the functions that let insert, alter, format in-text citations and the final references list

db = database

dbn = database name

FL = formatting language, i.e.: set of commands to define output styles

fn.XXX = filename + name extension

kw = keyword

l/r = left/right (often used for string truncation in search)

n = many, undefinite quantity

n.a. = not applicable

odt = OpenDocument format (ODF): text documents

OOo or OOw OpenOffice = OpenOffice.org Writer software, the word processing creates .odt format files

placeholder = a placeholder is a text string entered in a wordprocessor file within delimiters that will match records in the database, e.g. [Aron, 1997 #252] in order to produce in-text citation and the final full References List

pdf  PDF = portable data format, file format od Adobe Acrobat, propriety © of Adobe Systems Inc.

Record = bibliographic record

RefID = record, or reference, identifier

RN = record number

RT = reference, or document, or record type; a data entry form bearing certain fields and not others to fit the document characteristics 

RTF = (Microsoft) Rich Text Format

R/W = read/write

sw = software

wp = word processor

x-refs = cross reference (e.g.: see, see also...)