Derivative Work means a work that is based on one or more preexisting works (such as a revision, translation, dramatization, motion picture version, abridgment, condensation, enhancement, modification, or any other form in which preexisting work may be recast, transformed, or adapted) which, if created without the authorization of the copyright owner of the preexisting work, would constitute copyright infringement.
Collective Work means a work, such as a periodical issue, anthology or encyclopedia, in which the Work in its entirety in unmodified form, along with a number of other contributions, constituting separate and independent works in themselves, are assembled into a collective whole. A work that constitutes a Collective Work will not be considered a Derivative Work (as defined below) for the purposes of this License.
Derivative Works means any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof.
piece-work means any work the pay for which is estimated by the amount of work performed irrespective of the time occupied in its performance;
Developed Software means software specifically designed for the Principal under the Contract. Depending how advanced its development is, it may be either a Product or a Service or both.