As experienced administrators, we already know the basics of the relationships between Salesforce objects: they are links between different objects that allow you to connect different records all together. The best and easiest way to get a view of all relations between objects is the Schema Builder, which can be found at Setup | Objects and Fields | Schema Builder.
When we have a lot of relations, having a whole picture of how the objects relate to each other can be a hard job, and this tool can help to untangle the problem. Be careful! Don't select all the objects in your org; otherwise, all we will see is a plate of spaghetti, as shown in the following screenshot:
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On the left sidebar, let's select a few objects, such as Account, Contact, Case, and Opportunity. We will get...