A demonstration of the willingness of a party to enter into a bargain, made in such a way that another individual is justified in understanding that his or her assent to the bargain is invited and that such assent will conclude the bargain. The general rule is that it must be reasonable in the circumstances for the recipient to believe that the communication is an offer. The more definite the communication, the more likely it will constitute an offer.

An order issued by the authorities to all the state ports to prohibit a person from entering or leaving a country according to a court or police order for the protection of individual interests in cases like child custody, debt failure, or criminal investigation. Travel ban prohibits the banned person from leaving the country and gets him/her arrested while entering if the reason(s) for prohibition did not cease to exist.