Are Fischer and Yellen on the Same Page?

Stanley Fischer delivered a significant speech at the Economic Club of New York, emphasizing a new approach to economic policy with lower growth, inflation, and rates for longer periods. He discussed the importance of not overshooting employment and inflation targets. Tom Keen analyzed the speech, highlighting its implications and Fischer's economic framework. Fischer's approach includes a complex mosaic of factors affecting low rates, supported by theoretical foundations and visual aids.

What does Fischer mean by the term 'complex mosaic' in the context of economic policy?

In what way did Fischer's speech reflect a shift in the Federal Reserve's approach to economic growth and inflation?