This document provides definitions and information about various types of masonry construction. It begins by defining brick masonry, stone masonry, and block masonry. It then discusses British specifications for concrete blocks. The remainder of the document details aspects of brick masonry such as definitions of terms, classifications, types of bonds, wall junctions, tools, reinforced brick masonry, construction techniques, defects and maintenance. It also briefly covers stone masonry and block masonry. In summary, the document is an overview of masonry construction focusing on the materials, techniques and terminology used for brick masonry work.