workbox

noun

1. A toolbox; a container for the items needed to carry out a task.

   “The sewing workbox held fabric, needles, notions, patterns, and other supplies.”

2. (figuratively)A set of skills and approaches.

   “As with an understanding of the basic elements, knowing something of how sub-elements work gives insight into how stories generally are put together, thus adding another analytical tool to the pupils's ^([sic]) mental workbox.”