Value vs growth style in MFs: Importance of portfolio characteristics

An advisor recommending products to clients should constantly check if the recommended product is reflecting what it was supposed to do or follow. For instance, a large-cap fund should consistently reflect higher allocation to large cap stocks, similarly, a fund that stated its intention to pursue “value” strategy has to consistently reflect that style. Not reflecting those characteristics exposes the clients to unwanted risks. It is also important to define a style. For instance, how do you define “value” and why