To send an e-mail, an online web form asks you for your name, address, e-mail address, and other pieces of optional information.

The Memorial also asks for optional information such as rank, activities while serving, where the veteran served and any medals or awards they received.

The suggested format requests information required by the statute and optional information which is extremely useful.

A three-digit suffix specifies the type and frequency of the carrier, and which optional information is included:

Within data communication protocols, optional information may be encoded as a type-length-value or TLV element inside of the protocol.

Fill in the optional information to help other users benefit from your review.

You may omit any optional information; however, you must provide responses to all required questions.

Labelling information is divided into compulsory and optional information.

I say "totally optional information."

Traders who wish to supplement the sales descriptions laid down in this proposal with other, optional information, such as the feed used, will, of course, be able to do so.