Spiritual Meaning:
A lid closes a container and can, therefore, symbolize the division between the physical and spiritual realms.

Psychological / Emotional Perspective:
To be trying to open a lid suggests that we may need some kind of emotional release. To be closing a lid indicates that we are repressing some aspect of our personality.

Everyday Material Aspects:
To be keeping a lid on a container indicates that we suspect that some task or situation may run out of control.