(Software models) can be abstract.Logical formLearned from3 sentences. Fragments can be abstract.Logical formLearned from3 sentences. A prototype can be abstract.Logical formLearned from3 sentences. (Information spaces) can be abstract.Logical formLearned from3 sentences. Discussions can be abstract.Logical formLearned from3 sentences. An organism can be abstract.Logical formLearned from3 sentences. A hope can be abstract.Logical formLearned from3 sentences. Branches can be abstract.Logical formLearned from3 sentences. Periods can be abstract.Logical formLearned from3 sentences. (Design parameters) can be abstract.Logical formLearned from3 sentences. An (architecture model) can be abstract.Logical formLearned from3 sentences. A (service description) can be abstract.Logical formLearned from3 sentences. Women can be abstract.Logical formLearned from3 sentences. A constructor can be abstract.Logical formLearned from3 sentences. Notions can be abstract.Logical formLearned from3 sentences.