The Very Fabric of Time and Space, or simply the Very Fabric, was a place which connected all possible eventualities.
Noël Coward considered it to be "much subtler than the Time Vortex". (PROSE: Mad Dogs and Englishmen)
The Blithe Pinking Shears could cut through the Very Fabric, allowing their user to travel to any time and place in the multiverse. (PROSE: Enter Wildthyme)
The Sixth Doctor could make tears in the Very Fabric inside his TARDIS control room. He once created a tear to send the Wishing Beast from 1965 Salford to an asteroid in the distant past. (AUDIO: The Vanity Box)
Señor 105's Zodiac Machine could travel through the Very Fabric. (PROSE: Elementary, My Dear Sheila)
In the 1930s, the Very Fabric was stretched thin around the town of Darkholmes. Numerous individuals fell through the Very Fabric and ended up in alternate versions of the town (such as Daakholmes) or on other planets (such as Hyspero). (PROSE: Fellowship of Ink)
When the Onihr interrogated Fitz Kreiner for the secrets of time travel, Fitz mentioned the Very Fabric along with various other time-related phenomena he had encountered during his travels with the Eighth Doctor. (PROSE: Trading Futures)
Lolita once poked at the Very Fabric with her sharp fingernails to show Count Dracula a glimpse of the Yssgaroth, who were trapped behind the Very Fabric. (PROSE: A Bloody (And Public) Domaine)
K9 Mark II once told Mark I on Gallifrey that he and Mistress Romana were going to be embarking on a quest that had something to do with the Very Fabric of Time and Space later that afternoon in E-Space. He was certain that it would be a "palaver". (PROSE: Jealous, Possessive)