Scrabble of points for each lettered tile is based on the letter's frequency in standard English; commonly used letters such as vowels are worth one point, while less common letters score higher, with Q and Z each worth 10 points. The game also has two blank tiles that are unmarked and carry no point value. The blank tiles can be used as substitutes for any letter; once laid on the board, however, the choice is fixed. Other language sets use different letter set distributions with different point values. Tiles are usually made of wood or plastic and are square and thick,
A picture is worth a thousand words ten pages in a book." The quote is sometimes attributed to Napoleon Bonaparte, who said "A good sketch is better than a long speech" (). While this is sometimes translated today as "A picture is worth a thousand words," this translation does not predate the phrase's common use in English. The phrase has been spoofed by computer scientist John McCarthy, to make the opposite point: "As the Chinese say, 1001 words is worth more than a picture." A picture is worth a thousand words "A picture is worth a thousand words" is an English language-idiom. It refers to the notion