Japanese craft used and not just to be displayed and thus, the border between craft and art was not always very clear. Crafts were needed by all strata of society and became increasingly sophisticated in their design and execution. Craft had close ties to folk art, but developed into fine art as well as the concept of "wabi-sabi" aesthetics. Craftsmen and women therefore became artisans with increasing sophistication. However wares were not just produced for domestic consumption, but at some point items such as ceramics made by studio craft were produced for export and became an important pillar of the economy. Family
Glossary of bird terms Glossary of bird terms The following is a glossary of common English language terms used in the description of birds—warm-blooded vertebrates of the class Aves, characterized by , the ability to in all but the approximately 60 extant species of flightless birds, toothless, , the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart and a strong yet lightweight skeleton. Among other details such as size, proportions and shape, terms defining bird features developed and are used to describe features unique to the class—especially evolutionary adaptations that developed to aid flight. There are, for example, numerous terms describing