Take the first example line by line. Let me do that now.
"Effects" might be enhancements, modifications, additions. "Processing" could be handling, manipulation, refinement. "Built-in" could be integrated, included, packaged. "Tools" are utilities, features, functions. "Reverb, delay, distortion" – ambience, echo, overdrive. ReFX Nexus 3 Free Download
Same as earlier, but maybe a bit different. "Customization" could be personalization, tailoring, modification. "Allow for" might be enable, facilitate, permit. Take the first example line by line