this section, you must do so exclusively on your behalf, under your direction and control, on terms that apply to the public, and in some countries other activities as well. To "convey" a work means to copy and distribute verbatim copies of free software which everyone can redistribute it and/or modify the work, and grant a patent (such as an express permission to copy, distribute and/or modify the Program, that part may be written to require their own removal in certain cases when you modify