On the whole
Definition 1 of 1
Pro Tip 1/3General Perspective
Use it to summarize your opinion about a topic, indicating a general impression rather than specific details. 
There were a few rough patches, but on the whole, I think the project went well.
Pro Tip 2/3Implicit Contrast
Implies that while there may have been issues, they were minor compared to the overall positive outcome. 
She made a few errors, but on the whole, her presentation was excellent.
Pro Tip 3/3Positive Tendency
Often suggests that the speaker has a generally favorable or optimistic view of the situation being discussed. 
On the whole, my experiences at the new job have been positive.