This week's theme: Blocks

block (blŏk)
n.

• A solid piece of a hard substance, such as wood, having one or more flat side. One of a set of small wooden or plastic pieces, such as a cube, bar, or cylinder, used as a building toy.
• Printing A large amount of text. A substance, such as wood or stone, that has been prepared for engraving. A set of like items, such as shares of stock, sold or handled as a unit. A segment of a street bounded by consecutive cross streets and including its buildings and inhabitants.