# Advanced

Topic pages for the individual features. For the end-to-end walkthrough, see
the {doc}`user manual <../getting_started/user_manual>`.

::::{grid} 1 2 2 2
:gutter: 3

:::{grid-item-card} {fas}`table` Trial metadata
:link: metadata
:link-type: doc

Per-trial conditions (metadata table) and the trials table filter UI.
:::

:::{grid-item-card} {fas}`tags` Labels
:link: labels/index
:link-type: doc


Labelling in the GUI, predicting point events, importing/exporting labels.
:::

:::{grid-item-card} {fas}`wave-square` Changepoints
:link: changepoints/index
:link-type: doc

Detection methods (kinematic, audio, ruptures) and label-boundary correction.
:::

:::{grid-item-card} {fas}`crosshairs` Keypoint labelling
:link: keypoint_labelling/index
:link-type: doc

Labelling keypoints by clicking the video, the fill backends (spline, optical
flow, PosePAL), and when to train a detector instead.
:::

:::{grid-item-card} {fas}`play` Video & Audio playback
:link: playback
:link-type: doc

Precise (sub-frame) clicking, the timeline marker, and which channel Play sounds.
:::

:::{grid-item-card} {fas}`keyboard` Shortcuts
:link: shortcuts
:link-type: doc

Keyboard shortcuts reference.
:::

:::{grid-item-card} {fas}`wrench` Troubleshooting
:link: troubleshooting
:link-type: doc

Common issues and fixes.
:::

::::

```{toctree}
:maxdepth: 2
:hidden:

labels/index
changepoints/index
keypoint_labelling/index
metadata
playback
shortcuts
troubleshooting
```