most noticeable or important
salient - important
The word ‘salient’ relates to something significant or striking that merits or attracts attention, such as the most important facts or points of a situation. Being able to identify and note the most salient points of something is a highly-regarded skill, particularly in a professional environment.
You should refer to Emily’s report as it covered all the most salient points of the case in some detail.
The most salient feature of the proposal was the establishment of a union to protect workers' rights.
The recent crisis has brought new salience to long-term calls for the health system to be adequately funded.