A word used by a search engine in its search for relevant Web pages. In customer support industery the following search engine keywords are used . Live chat , live support, live help , live chat software,live support software , live help software , online chat software and more

In programming, a keyword is a word that is reserved by a program because the word has a special meaning. Keywords can be commands or parameters. Every programming language has a set of keywords that cannot be used as variable names. Keywords are sometimes called reserved names .