Language is a system that consists of the development, acquisition, maintenance and use of complex systems of communication, particularly the human ability to do so; and a language is any specific example of such a system.
Henry Drummond: Language is a poor enough means of communication. I think we should use all the words we've got. Besides, there are damned few words that anybody understands!
Inherit the Wind (1960 film), Jerome Lawrence and Robert Edwin Lee
More than 60 % of the total heat loss of buildings takes place through windows. Technology to significantly improve window insulation properties while reducing price and the carbon footprint associated with production and use will have major impact.