by default definition
by default means a specific feature or setting that is enabled or set at the factory and available when the customer uses the product for the first time or after performing a "reset to factory settings" action, if allowed by the product. A change of a setting parameter by the user shall not automatically change any other parameter set as default without notifying the user;
by default means that the affix is usually the one that goes with the root upon data elicitation, or this affix is the one that is provided by the speakers when they are asked to provide Amis equivalents for the verbs in Mandarin Chinese or in English.
by default means that ERb is what comes with the default installation of Rails. It is however possible to use other template languages for views.