Fedora 30 Workstation:

FILE NAME	FILE SIZE	DATE
For x86_64:
Fedora-Workstation-Live-x86_64-30-1.2.iso	1.8G	2019-04-26 02:40
Fedora-Workstation-netinst-x86_64-30-1.2.iso	597M	2019-04-25 23:04

Fedora 30 Server:

FILE NAME	FILE SIZE	DATE
For x86_64:
Fedora-Server-dvd-x86_64-30-1.2.iso	3.0G	2019-04-26 02:02
Fedora-Server-netinst-x86_64-30-1.2.iso	597M	2019-04-25 22:56
For ARM ®  aarch64:
Fedora-Server-dvd-aarch64-30-1.2.iso	2.8G	2019-04-26 02:04
Fedora-Server-netinst-aarch64-30-1.2.iso	550M	2019-04-25 23:12

Version description:
DVD  A standard DVD image. Most users choose this option to download it. It can be installed without networking.
Server  Server version operating system for data center.
Netinstall  It is a basic system installation program and must be connected to the Internet before it can be used.
Workstation  Desktop operating system for office laptops and desktops.

Schema Description ：
x86_64  X86-64 is a 64 bit extension of x86 architecture, backward compatible with 16 bit and 32-bit x86 architecture.
ARM AArch64 or ARM64 is a 64 bit extension of the ARM architecture, which aims at low cost, high performance and low power consumption.