Explanation
Error control also regularly re-assesses the status of known errors that have not been resolved, taking account of the overall impact on customers and/or service availability, and the cost of permanent resolutions, and effectiveness of workarounds
https://www.bmc.com/blogs/itil-problem-management/#:~:text=Error%20control%20also%20regularly%20re,re

It is important to understand the difference in these terms not just for clarity, but because outputs are much easier to measure than outcomes.
Outputs are nearly always quantitative, with data available to show whether these have been delivered. Outputs are easy to report on and to validate. There is no grey area.
Outcomes are more challenging to verify because they are both qualitative and quantitative. Whether your outcomes have been achieved will rely, to a great extent, on the perception of the people who receive the service. Perceptions are not easy to measure or report on, but it is essential you find a way to do so.
https://www.bmc.com/blogs/outcomes-vs-outputs/

Value streams and processes focus mainly on those areas which ensure integration and coordination of various actions and parts which contribute towards better value creation for the organization. This dimension is more concerned about the way the organization has organized the activities or processes and how it enables and ensures the value creation across all stakeholders.
https://www.knowledgehut.com/tutorials/itil4-tutorial/itil-four-dimensions-it-service-management