Google Keywords Planner Tool


This is what they say about keywords:

Keywords

Keywords are phrases that you choose to determine when and where your ad can appear. They're matched to terms that people search for or web content that they view. Selecting keywords that are closely related to your ads can help you reach customers who are looking for what your business has to offer.

Understanding keyword basics

• How keywords work
• Understanding your keyword status
• How similar keywords match to search terms
• How placements and keywords work together

Choose your keywords

• How to build the best keyword list
• Add, edit, or delete your keywords
• Choose keywords for Display Network campaigns
• Add negative keywords to your campaign
• Exclude keywords across campaigns with lists

Improve your keywords

• Using keyword matching options
• Using broad match
• Using phrase match
• Using exact match
• Using broad match modifier
• Improve your keywords for the Search Network
• Improve your keywords for the Display Network