challenges
n. countablen. difficult tasks or problems that test your ability and skill. You face these when you want to achieve something that is not easy.
n. difficult situations or tasks that require significant mental or physical effort to overcome. Often used in professional or personal development contexts to describe obstacles that test one's competence.
The new job offers many exciting challenges.
The team faced several technical challenges during the first phase of the software development project.
Navigating the logistical challenges of a global supply chain requires both strategic foresight and the ability to adapt to sudden geopolitical shifts.
Commonly used in the plural to refer to a set of difficulties; often collocated with the verbs 'face', 'meet', or 'overcome'.