Glossary#

Activity#

An activity in Brightway is the name used for both processes and elementary flows. Other terms used frequently:

Source

Terminology

Brightway

activity

ISO

(unit) process or elementary flow[1]

Ghose et al. (2021)

Activity

Production Exchange#

This is what is produced or supplied by the activity (e.g. manufacturing of a product, provisioning of waste treatment services, etc.). Other terms used frequently:

Source

Terminology

Brightway

production exchange

ISO

product[2]

Ghose et al. (2021)

Determining Flow

Technosphere Exchange#

An exchange between two technosphere activities. Other terms used frequently:

Source

Terminology

Brightway

technosphere exchange

ISO

intermediate flow

Ghose et al. (2021)

Flow

Characterization Factor#

A biosphere exchange characterized (scaled) to a unit.

Impact Assessment Method#

A set of characterization factors. Other terms used frequently:

Source

Terminology

Brightway

method

ISO

impact category

Ghose et al. (2021)

N/A

LCI#

Life Cycle Inventory. Other terms used frequently:

Source

Terminology

Brightway

LCA

ISO

LCI

Ghose et al. (2021)

N/A

Demand#

The demand from the system to calculate for (e.g. “one kilogram of steel”, etc.). Other terms used frequently:

Source

Terminology

Brightway

demand

ISO

functional unit

Ghose et al. (2021)

Reference Unit