IT asset is any financially valuable component that can contribute to the delivery of an IT product or service.
The scope of IT asset management typically includes all software, hardware, networking, cloud services, and client devices
https://wiki.process-symphony.com.au/framework/lifecycle/process/it-asset-management-itil-4/#:~:text=IT%
20asset%20is%20any%20financially,cloud%20services%2C%20and%20client%20devices.

The purpose of the supplier management practice is to ensure that the organization's suppliers and their performances are managed appropriately to support the seamless provision of quality products and services1. This practice involves creating closer, more collaborative relationships with key suppliers to improve efficiency, effectiveness, and innovation2. References: ITIL Foundation - ITIL 4 Edition, page
16; ITIL 4 - A Pocket Guide, page 38.

Problem Control. Problem control activities include problem analysis and documenting workarounds and known errors.
Just like incidents, problems will be prioritized based on the risk they pose in terms of probability and impact to services. Focus should be given to problems that have highest risk to services and service management.
https://www.bmc.com/blogs/itil-problem-management/#:~:text=2.,probability%20and%20impact%20to%
20services.