Step 1: Find the key phrase.
The key phrase is physical organization of devices and connecting media. Words like organization and layout point to the shape of the network.
Step 2: Sort the options by their job.
Web Server is a machine that serves content. Web page is a piece of content. WAN is a type of network by area. Topology is the layout of a network.
Step 3: Remove the unrelated ones.
A server and a page are not layouts. WAN is about distance, not about how the cables and nodes are placed. So options 1, 2 and 3 do not fit the phrase.
Step 4: Confirm the fit.
Topology describes how nodes and links are placed in a bus, star, ring or mesh. This matches the phrase word for word.
Step 5: Pick the answer.
The blank is filled by Topology, which is option 4.
Step 6: Extra check.
Do not mix topology with network types such as LAN, MAN and WAN. Those names tell how large the network is. Topology tells how the devices and cables are laid out. The question talks about layout of devices and media, so it is topology and not a network type. This is the last check before we answer.
Final Answer:
The term is Topology, option 4.
\[ \boxed{\text{Option 4: Topology}} \]