Means of abstraction

"When somebody tells you 'I have a new programming language', you should not ask: 'How many characters does it take to invert a matrix?'; that is irrelevant, what you should say is: 'if the language does not come with matrices built-in, how can I build them and what are…

Language usage

"Grammar and vocabulary are property of the language alone, but usage is characteristic of a community that uses it." (G. L. Steele Jr.)…