Answer:
a shift from one time period to another.
Explanation:
In English literature, transition words and phrases helps to make sure that the contents of a literary work are logical and in harmony. Therefore, transition words and phrases are used by writers to connect (join) paragraphs together and create a flow of their ideas and thoughts.
Basically, conjunctions are mainly considered to be transitional words.
Some examples of transition words and phrases are earlier, therefore, however, in summary, but, and, or, conversely, on the contrary, before, likewise, later, because, hence, as a result, consequently, sequel, furthermore, moreover, in the long run, in conclusion, generally, lastly, such as, as an example, for instance, singularly, especially, first of all, accordingly, in addition, since, etc.
Since indicates a time in the past or a specific period of time with respect to when an event started.
Hence, the kind of transition that the word "since" usually indicate is a shift from one time period to another.
