This is a rather basic question about causality, but I'm a bit confused over it (especially in terms of the "first cause" argument).
Causality (from Wikipedia):
Agency or efficacy that connects one process (the cause) with another process or state (the effect), where the first is understood to be partly responsible for the second, and the second is dependent on the first
In short, we can say that causality implies that there's some connection (either direct or indirect) between two processes, where the connection is mostly created (artificially or intentionally) by some kind of force (where the most common place to use this is physical forces; but it is also used in many other fields of study such as management, history, law, theology, and more).
If we dig deeper into that "connection", we can suggest that it can only happen when the two "processes" have one or more attributes in common (where the first process' attribute would cause the effect in the second process' attribute, for example transfer of movement power between two objects via collision, where both processes have the same attribute "movement" [that's an example using very general terms, not exactly the physical terms used for such event]).
Now, considering attributes from both processes must, in its essence, be the same (maybe not exactly the same, but two different representations of the same attributes - for example kinetic force and gravity force, where both represent movement), can we expect to find a causation between two attributes that aren't related to each other at all?
Another question, would be the reason I'm asking the first one, and is about the "first cause" argument. If we consider a series of events that are linked by the causality of time, and we consider it to be infinite regression to not include an entity outside of that causality, how can we expect such entity to have the possibility to transfer/affect the attribute of "time" to this series of events, without it having this attribute in itself?
[this is basically a question about causality with emphasis on the "first cause" argument, but it's possible that an answer to the first question in the post would dismiss the second question.]