Extract dyestuffs such as mineral and plant,etc. from the nature, will call as five colors bluely and greenly, yellowly, redly, whitely, blacklily, and then seize other after the five color mixture.
If you know the distance between your eyes — we'll call this the baseline — then you can apply some trigonometry and figure out how far away the object is.
But after we plan our outline, we're going to make outline notes, and these will be phrases and words that will call our attention to what we're going to write in our test booklet.