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L

LAN

local area network

Large display screen

A large (usually 28 or above) monitor or TV which allows many people to view a computer screen simultaneously. Alternatively, an ordinary projection screen can be used in conjunction with a video projector or computer display panel.

Layer

Layers are like transparent sheets of acetate stacked on top of each other. Layers help you organize the artwork in your document. You can draw and edit objects on one layer without affecting objects on another layer. Where there is nothing on a layer, you can see through it to the layers below.

Layers

Layering is the organization of programming into separate functional components that interact in some sequential and hierarchical way. (whatis.com)

LCD

liquid crystal display

Library

The library is used to store and organize symbols that are created in flash. 

Logical operator

When searching for information on a CD-ROM or the Internet it is possible to use keywords and to link those with logical operators such as and and or. They allow the search to be narrowed or widened. For example, "horse and plough" would only find information which contained both the words, whilst "horse or plough" would find any reference which contained either one or other word, including information on modern farm equipment and show-jumping.

Logo

A computer programming language that can be used, for example, to create and manipulate shapes and patterns on screen or to control a screen or floor turtle.

Loop

A loop  is a sequence of statements which is specified once but which may be carried out several times in succession. The code "inside" the loop is obeyed a specified number of times, or once for each of a collection of items, or until some condition is met.