You will be labeling the parts of your instrument, starting with the WHOLE, then describing PARTS in more & more detail. Tap Using the tool: 1) Put the name of your instrument on the far left line. 2) Using the next set of lines, label the main parts of your instrument. 3) Using the final set of lines, label the sub-parts (or smaller parts) that make up those middle section parts. Be as detailed as possible as you move to the smaller sections. Tap to submit when you are done. Make sure you see "Waiting for Teacher Approval" before logging off.