Offer
Offer means a response to a solicitation that, if accepted, would bind the offeror to perform the resultant contract. Responses to invitations for bids (sealed bidding) are offers called bids or sealed bids; responses to requests for proposals are offers called proposals; however, responses to requests for quotations (simplified acquisition) are quotations, not offers. For unsolicited proposals, see subpart 15.6.
Source
48 CFR § 2.101
Scoping language
A word or a term, defined in this section, has the same meaning throughout this chapter (the Federal Acquisition Regulation (FAR)) unless the context in which the word or term is used clearly requires a different meaning or another FAR part, subpart, or section provides a different definition for the particular part or portion of the part. If a word or term that is defined in this section is defined differently in another part, subpart, or section of this chapter, the definition in this section includes a cross-reference to the other definitions and that part, subpart, or section applies to the word or term when used in that part, subpart, or section.