On/at the periphery can be synonymous with words such as outer edge, fringe, boundary, margin, verge, or brink. These words all imply being at or near the outer limits or edges of something. Using synonyms such as these can provide variety and clarity in writing, avoiding repetitive use of the same phrase or word. Additionally, selecting the appropriate synonym can add depth to the meaning of a sentence. For example, using verge instead of boundary can carry connotations of readiness or anticipation, while using margin can imply a degree of safety or space between oneself and the central focus. Choosing the right synonym is essential to effectively communicate the intended meaning.