The UoM means University of Michigan. It's a survey that's done to determine expectations and how optimistic or pessimistic consumers see the economy. It's important because consumers make up for about two thirds of the US GDP.
If it's higher than expected, it's good for the economy, meaning consumers can afford to spend more. USD might get stronger.
If it's lower, the opposite is the case.
But it's not really important or high impact like you can see, it's a yellow folder news