3. Skills
A language skill is how
the language is
represented. It can be in
written form or in
spoken form, and it can
be productive or
receptive.
4. Sub-skills
A language subskill is the
reason why we are using
the language. In the case
of reading, for instance, it
can be to discover details,
to understand the main
idea of the text etc.
5. Strategies
A strategy is a technique
used to achieve a
purpose when using the
language. E.g. if I want
to get the main idea of a
text, what do I have to
do to get it?