. . . "Definition: Describes an interval on a sequence. All of the sequence from the begin site to the end site (inclusive) is described, not any subset."^^ . "Definition: Describes an interval on a sequence. All of the sequence from the begin site to the end site (inclusive) is described, not any subset."^^ . "Definition: Describes an interval on a sequence. All of the sequence from the begin site to the end site (inclusive) is described, not any subset."^^ . . . . . . . . . .