As you have pointed out, understanding the digital world is a massive undertaking. Understanding various options for making and receiving phone calls can also be daunting.
An approach that works for many is to purchase a device suited to your needs and learn its operation to the best of your ability. By an informed product search (Relying heavily on customer and user experience and opinion), you will also learn factors to consider and what devices are well-liked.
An example consideration is the iPhone SE. It is well-liked because it takes minimal instruction and does not have an overabundance of settings and customizations. Making a phone call with it is readily understood.
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Its high ratings, popularity, and affordability make it a practical option.
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