Sentence:  First I make preliminary watercolor sketches in quarter scale ( approximately * * f inches ) in which I pay particular attention to the design principles of three simple values - the lightest light , the middle tone , and the darkest dark - by reducing the forms of my subject to these <WSD>large</WSD> patterns . 
Meaning of the word marked with <WSD> tags:  above average in size or number or quantity or magnitude or extent