A temporary (usually insubstantial) substitution.
Made to work or suffice; improvised; substituted.
To source anew or differently; to find or provide a new source for.
To supply with resources.
Something that one uses to achieve an objective, e.g. raw materials or personnel.
Something that can be used to help achieve an aim, especially a book, equipment, etc. that provides information for teachers and students.
A person's capacity to deal with difficulty.
Hardware or software accessible by a computer, network, or another object connected to a computer.