What is the purpose of hexagonal writing

The main purpose of hexagonal writing is to weigh up the advantages and disadvantages of an idea or a plan. This technique of writing is quite individual because the writer is to decide both the subject and form which reflect the pros and cons. It is a draft that is done before a complete literary work that is needed to analyse literature and come up with new ideas.

The sentence needs a descriptor of exactly "what" will happen at gurley and marina. in this case, it is the light at the intersection turning green. in this case, the sentence could be rewritten as "the light at the intersection of gurley and montezuma will turn green exactly three seconds after the light at the intersection of gurley and marina."