Sometimes you need to add some context to the text that you want to translate
(if the word occurs in a sentence and/or the word is ambiguous).
A namespace is a way to group translations that belong together. They provide context to our translators by adding a prefix followed by the bar symbol (`|`). For example:
```ruby
_('Namespace|Translated string')
```
A namespace provide the following benefits:
- It addresses ambiguity in words, for example: `Promotions|Promote` vs `Epic|Promote`
- It allows translators to focus on translating externalized strings that belong to the same product area rather than arbitrary ones.
- It gives a linguistic context to help the translator.
In some cases, namespaces don't make sense, for example,
for ubiquitous UI words and phrases such as "Cancel" or phrases like "Save changes" a namespace could
