Strategy is different from tactics. While tactics are the individual actions that you take to thwart a competition, strategy is planning of using those tactics.
If the difference is not clear let us take examples
Your plan of becoming number one in your category is strategy while the actions that you take to become number one are tactics
Getting your blog to high ranks is strategy while commenting on others blog is a tactic
Conquering a war is a strategy while where to place the troops is tactical
Marketing is strategy while selling is a tactic
Winning the market share is a strategy while advertising and promotions is tactical.
So as you can see tactics is the actual action while the strategy is the plan to achieve certain objectives.
It is very easy to confuse strategy with tactics. A lot of new businesses and bloggers trying to learn ways of marketing confuse tactics with strategy. For e.g. commenting on others blogs so as to get traffic for yourself is considered as good strategy even though it is a tactic. For a new business these are the tactics
Advertising your new products - Winning the market for new product
Distributing discount coupons - Getting a larger marketshare
Sharing your post on social media sites - Making the blog popular strategy
Google Keyword research - Making the blog popular strategy
Attacking a segment is tactical - Getting a larger marketshare
Selling your products through affiliates is tactical - Increasing sales strategy.
(Strategy is in bold)Why is it important to segregate strategy from tactic?
A tactic should never be confused with strategy. Strategy helps you to attain your objectives and tactics are tools of it. Sometime confusing tactics to strategy, we may lose the overall picture of our business and where it stands.