# Glossary

This glossary defines the terms as they are used in this framework.

Quick links:

* [Core rhythm and timing](#core-rhythm-and-timing)
* [Graphs and notation](#graphs-and-notation)
* [Building blocks and combinations](#building-blocks-and-combinations)

### Core rhythm and timing

#### Beat

One full poi rotation.

#### Half-beat

Half of a poi rotation. This is the smallest timing step used in this framework.

#### Beat reference point

A fixed point on the poi path used to mark beats. In this work, beat reference points are typically the top and bottom of the circle.

#### Timing

The phase offset between two poi cycles.

#### Together Time

Both poi pass the same beat reference point at the same time.

#### Split Time

Both poi pass opposite beat reference points at the same time.

#### Timing + direction abbreviations

* `TS` — Together Time / Same direction
* `SS` — Split Time / Same direction
* `TO` — Together Time / Opposite direction
* `SO` — Split Time / Opposite direction

These abbreviations always encode both timing and relative direction.

### Graphs and notation

#### Beat graph

A time-axis diagram used to visualize timing variants.

#### Transition point

The point where the poi switches planes (front ↔ back).

### Single-poi

Performed with one poi.

### Building blocks and combinations

#### Reel

A single-poi, wall-plane trajectory that alternates between the front and back planes.

#### Weave

Two reels combined (one in each hand) on the same side of the body.

#### Mill

Two reels combined (one in each hand) on opposite sides of the body.

#### Wrap

A direct combination of two adjacent reels without extra rotations.

#### Cosmo (also known as Meltdown)

A direct combination of three consecutive reels without extra rotations.

#### Hyper (hyper cosmo)

A direct combination of four consecutive reels without extra rotations.


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