Indeed. But, to be nitpicking, there doesn't have to be a shipment (yet). It would be prudent to list all of your belongings you MAY want to bring at some point in time. There is no time limit. However, you can NOT file a list after you have arrive. You MUST file it upon arrival, or hold your peace forever.

The degree of detail required varies. I wrote "x boxes of used books", "collection of wines and spirits, x bottles", "one box of cutlery and dishes, used", each with an estimated value, and they were fine with that. (However, I was unable to bring the alcohol, as that would have required a license from the liquor police (which they said it would cost about $500), and very high import duties (they couldn't predict the exact cost, but said: "you should expect about 3x market value").

As for machines, like a stereo receiver, I listed exact model designations. Yet other machines (such as computers, vehicles, etc.) they also want the serial numbers.

So, in my experience, you don't have to enumerate each pair of used socks. But the higher the value, the more detail is required. The laws and regulations may not make this distinction, however.