SLR allows you to change lenses, so most people buying a DSLR would be planning on getting several lenses.
A lot of people can get what they want, without SLR.
Many people make the mistake of buying more camera than they will ever use.
All of the cameras you would be looking at have 'auto' features, that will do the thinking for you.
The hard part is to get smarter than the camera. That takes practice.
Below are two sites with lots of basics.
The most important paprt is deciding what is important to you.
Interchangeable lenses?
Price?
Compact?
Video too?
Durability (sand and water?)
There are half a dozen major manufacturers, all would have one or more cameras that would be perfect for you, no matter what you want.
People think the camera takes the pictures. Wrong.
First the photographer.
Next the lens.
Finally the camera.
Buyers Guide: Choosing a Digital Camera
How to Buy a Digital Camera – A 9 Step Guide
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If you have a friend who is shooting, and you like their work, if you get exactly the same camera, it will be easy for them to teach you what they know.