During the playing of a concerto in which there are a group of soloists and a larger ensemble, tutti designates a section in which the ensemble plays together or the ensemble and the soloists play together. The "tutti" term is Italian, like most orchestral nomenclature, and literally means "all".
Tutti is an italian word literally meaning all or together. As a musical term, it is used in various ways: It may refer to an orchestral passage in which every member of the orchestra is playing at once. Alternatively, if an orchestrator wants a single first violin, second violin, cello, or double bass to play while the rest of that string player's section is silent for the duration of a passage, he writes solo in the part at this point and he writes tutti in the part at the point he wishes the rest of the section to resume playing.
The Ultimate Test Tool Infrastructure. This is a framework for commercial as well as non-commercial test tools. It allows to combine tools by supporting Purify, Insure++, QAC/QAC++, gcov, cppunit to build a unit testsuite.