What we should keep in mind while keyword selection?
 

how google keyword planner work and What we should keep in mind while keyword selection?

You should keep in mind these things while selecting keyword:

User Intent
Google Search Volume
Current Ranking Position
Quick Win Keywords
Measure to Manage SEO

Target location
Searchers
Competitors
Ranking

5 Things to keep in mind is
1) Your Focus Keyword
2) The Focus on your keyword
3) The context
4) Your target audience
5) Can you actually rank for the kw

You must select revelvant keyword as per your website product and Name

How to Do Keyword Research for SEO:
Step 1: Make a list of important, relevant topics based on what you know about your business.
Step 2: Fill in those topic buckets with keywords.
Step 3: Research related search terms.
Step 4: Check for a mix of head terms and long-tail keywords in each bucket.
Step 5: See how competitors are ranking for these keywords.
Step 6: Use the Google AdWords Keyword Planner (or HubSpot's Keywords App) to cut down your keyword list.

how to check all this?
Google Search Volume
Current Ranking Position
Quick Win Keywords
Measure to Manage SEO