She excelled in baking: her cakes and cookies won many awards.
Why should we use a colon and not a semicolon? Or can a semicolon still be utilized in place of a colon (in this example)?
We had a good time in France; the kids really enjoyed it.
Mother had to go in the hospital: she had heart problems.
Are the punctuations used correctly? If so, how can I distinguish between using a colon and a semicolon? The videos and articles aren't really helping me. Thank you so much!