Stock broking firms which charges brokerage/commission as per percentage on turnover (buy value +sell value) are called traditional brokers
Stock broking firms which charges brokerage/commission at discounted rate are called discount brokers example: Rs. 20 /trade or paying brokerage upfront for unlimited trades.
A traditional broker will provide a full fledged services like PMS, Advisory/Tips , Mutual Funds, Insurance (General & health), customer Support & Call & trade etc.
Where has discount brokers do provide services like Customer Support, call & trade facility, Mutual Funds etc but not the Advisory or PMS services. All these services provided through online unlike the traditional brokers.