What is 'Lead Time' Lead time is the amount of time that elapses between when a process starts and its completion. Lead time is examined closely in manufacturing, supply chain management and project management, as companies want to reduce the amount of time it takes to deliver products to the market. The amount of time that elapses between when a process starts and when it is completed.  takes to deliver products to the market.
Quick Answer. A parallelogram is a quadrilateral having two pairs of opposite sides parallel to each other. To draw a parallelogram, make two lines that are parallel to each other and the same length, and then draw two more parallel lines of equal length connecting them into a four-sided shape. Continue Reading.
A square is a special kind of rhombus in which all angles are equal. A rhombus may or may not have all angles equal, so a rhombus does not have to be a square. On the other ha â¦ nd, any figure with four equal sides is a rhombus and all squares have four equal sides so every square is a rhombus.   Other examples of the same situation. Some US coins are dimes. So every US dime is a coin, but not every coin is a US dime.