The phrase "in the direction of through to" can be replaced with synonyms such as "toward," "to," "into," "unto," and "up to." Each of these words implies movement or progress towards a specific destination or endpoint. While "toward" and "to" indicate a general direction, "into" and "unto" suggest movement into a specific area or location. "Up to" can be used to express that one has reached a certain limit or extent. These synonyms can be used interchangeably depending on the context and desired emphasis. It is important to choose the appropriate synonym to convey the intended meaning and avoid confusion.