Learn English – What are some words I can say to acknowledge or let the other person know that I am listening

Sweet is a good word for some fruits – like cherries – and sour is a good word to describe fruits such as lemons and limes.

Other words that can be used to describe fruits would be tart – this would be not quite as acidic as sour, but still something that might cause your mouth to pucker a little bit. Some apples would be described as tart.

Bananas have more of a gentle, mild, or mellow flavor, I think, although sweet wouldn't be wrong. The word mellow has this definition at Collins, which seems fitting for bananas:

mellow (adj.) (esp of fruits) full-flavoured; sweet; ripe

For your specific context, If X is dependant on Y, then Y is the dependency.

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In normal use, this isn't particularly common, but in your software context, it seems fine to me as both a native speaker and a programmer.

Specifically in XML however, I would use the word "parent tag"

In other contexts you might want to use:

• provider
• supplier
• parent
• benefactor
• donor