Shapes

Basics
enter image description here Square shaped systems got NPC-stations
enter image description here Shattered wormhole systems display with dashed outlines.

Station Services and Signatures
enter image description here White: Cloning, Green: Repair
Orange: Factory, Blue: Research Lab
enter image description here The length of the bars to the left and right of the system node reflect the sig count of the corresponding type.

Sovereignty Structures and Campaigns
enter image description here Top = TCU
Center = IHUB

Colored after the structure's owning alliance.
Solid lines means structure is invulnerable.
enter image description here Pale dotted means structure is vulnerable
enter image description here Bright dotted means structure is reinforced
enter image description here IHUB under attack with defence at 60%
enter image description here 48% contested Faction Warfare system.
When selecting a faction warfare map the campaign tag
option gets enabled automatically.

Other

A thin green outline of a solarsystem marks systems with ongoing Sansha incursions.