An identifier can be in a packet.Logical formLearned from7 sentences. A (source identifier) may be included in a (source identifier table).Logical formLearned from7 sentences. A packet can be with an identifier.Logical formLearned from7 sentences. A table may be indexed by an identifier.Logical formLearned from7 sentences. A participant may use an identifier.Logical formLearned from7 sentences. Some loops can be in a random selection of a (source identifier).Logical formLearned from7 sentences. Packets may arrive with an identifier.Logical formLearned from7 sentences. A packet may use identifiers.Logical formLearned from7 sentences. A client may provide a (client identifier option).Logical formLearned from7 sentences. A (message identifier) may pertain to an instantiation of a message.Logical formLearned from7 sentences. An (identifier and title) may be displayed at a top of a page.Logical formLearned from7 sentences. A title may pertain-to an identifier.Logical formLearned from7 sentences. An identifier may pertain-to a company.Logical formLearned from6 sentences. A (location identifier) may pertain-to an airport.Logical formLearned from6 sentences. An identifier can be two-part.Logical formLearned from6 sentences.