depression definition. A period of drastic decline in the national economy, characterized by decreasing business activity, falling prices, and unemployment. The best known of such periods is the Great Depression, which occurred in the 1930s.
A variometer â also known as a rate of climb and descent indicator (RCDI), rate-of-climb indicator, vertical speed indicator (VSI), or vertical velocity indicator (VVI) â is one of the flight instruments in an aircraft used to inform the pilot of the rate of descent or climb.
Chart â A visual representation of various activities and the corresponding speeds in words-per-minute; Typing Speed Test - Histogram of results in WPM; WebTEM - A Web application to record words per minute and other text entry performance metrics