Resources
Perhaps you have a lumber mill nearby, for example, that takes trees from the earth, and workers then use the tools of man to transform the trees into wood for homes and paper!
Goal:
Goal:

For example, you may draw a picture of a tree, then a lumberjack cutting the tree into wood, and finally draw a picture of their home! Label the type of resources you are using in your picture (natural-tree, human-lumberjack, capital-chain saw).