Clarification Needed

I hope someone can help here. I found that I was having replication failing due to the fact that there is a foreign key being referrenced, here is the error:
Could not drop object 'dbo.tblName' because it is referenced by a FOREIGN KEY constraint.
(Source: Database Name (Data source); Error number: 3726)





In searching for some sort of answer - I came across this:
Join Filters




Foreign key relationships are central to most database designs. For example, in a database that tracks product orders, you often see a CUSTOMER table with a CustID primary key and an ORDER table with a CustID foreign key that references the CUSTOMER table. In merge replication, if you filter the CUSTOMER table with a subset filter clause, you must also filter the ORDER table, so that only the rows that reference the filtered subset of rows from the CUSTOMER table are replicated. Filtering requirements that are based on a foreign key relationship must be explicitly represented in the merge replication configuration through a join filter (which lists the two related table articles and a logical expression that identifies the relationship), as shown in the following example:CUSTOMER.CustID = ORDER.CustIDThe effect of this join filter between the CUSTOMER table and the ORDER table, together with the subset filter
clause on the CUSTOMER table, is that Subscribers to the publication receive only those rows from the CUSTOMER
table where State = 'WA' and only those rows from the ORDER table that correspond to the CustID
values in the filtered CUSTOMER table.
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Am I reading this right? If I have only one table that I need to replicate, I would need to included the other tables connected by
the foreign key for the replication to work, and in doing so - the table I designate for updating in this replication will be the only
one affected and the others that have go with this - won't update their corresponding dupe tables? Sorry - I hope this makes sense.