Answer:
3. Connect ideas.
Step-by-step explanation:
Transitional words or phrases are those that help connect ideas, sentences, and paragraphs in any piece of writing, as well as in speeches; they help to make writings flow better and they can be used anywhere when needed in a text: they can link one paragraph to another, one sentence to another, one idea to another, and so on and so forth. Some examples of this type of words are however, besides, likewise, similarly and for instance.