Study circles allow complex topics to be broken down into manageable parts.

As usual you make a very complex topic easy to understand.

Occlusion is a very complex topic and there are a lot of variables to consider.

Race is such a big, complex, painful topic that no one knows where to start.

The design of digital filters is a deceptively complex topic.

Asking millions of people who don't know much about a hugely complex topic to give a yes/no answer on it.

He was able to explain complex topics in easily understandable terms.

Social psychology is clearly another large and highly complex topic.

She often leaves her parents at a loss by asking about mature or complex topics.

The amount of instructions that pass per clock cycle is a very complex topic.