> For the complete documentation index, see [llms.txt](https://docs.moneyonchain.com/main-rbtc-contract/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.moneyonchain.com/main-rbtc-contract/money-on-chain-platform/data-dictionary.md).

# Data dictionary

* *uTPDU*: Universal TPro discount sales coverage threshold, from spanish "Umbral de venta de TPROg con descuento universal"
* *EMA*: Exponential Moving Average, technique to aproximate the moving average based on a previous value and and smoothing factor.
* *Oracle*: Smart Contract dedicated to provide off-chain data that change over time, for example a price for a given source.