diff --git a/website/_data/learn_toc.yml b/website/_data/learn_toc.yml
index c83859e16..227c6b474 100644
--- a/website/_data/learn_toc.yml
+++ b/website/_data/learn_toc.yml
@@ -38,6 +38,12 @@
     - doc: grpc
     - doc: http
     - doc: json-rpc
+
+- title: Pactus Glossary
+  path: learn/glossary
+  items:
+    - doc: glossary
+    
 # - title: Smart Contract
 #   path: learn/smart-contract
 #   items:
diff --git a/website/learn/glossary/glossary/index.md b/website/learn/glossary/glossary/index.md
new file mode 100644
index 000000000..8ac73a833
--- /dev/null
+++ b/website/learn/glossary/glossary/index.md
@@ -0,0 +1,81 @@
+---
+layout: learn
+title: Pactus Glossary
+sidebar: Pactus Glossary
+---
+
+<!-- TODO: find a name for pactus merkel root model and add it here (?) -->
+
+# A
+
+## Account
+
+An account is an entity that is identified by a unique address,
+which can send transactions on the blockchain, and make changes on blockchain state.
+
+## Account Address
+
+Account address is a unique identifier for account on Pactus, and they point to a balance,
+hash and number.
+
+# B
+
+## Bond
+
+A Bond is a transaction that you lock some amount of PAC coin to a validator address with.
+
+# C
+
+## Committee
+
+The committee is a group of 51 validators responsible for generating new blocks. Oldest member will
+be replaced with a new validator in each 10 seconds (per block).
+
+# N
+
+## Node
+
+A computer on Pactus that runs a Pactus protocol implementation, it's connected to network, and it
+can get and provide new blocks. it **can** run validators too and participate in consensus.
+
+# P
+
+## PAC
+
+The Pactus network native currency.
+
+# S
+
+## SSPoS (Solid State Proof of Stake)
+
+The Pactus unique consensus algorithm.
+
+## Sortition
+
+The sortition algorithm is responsible for the fair, transparent and random selection of validators
+to join the committee.
+
+# U
+
+## UnBond
+
+An UnBond is a transaction that you unlock staked PAC coins on your validator for withdrawing, whcih
+takes 21 days time.
+
+# V
+
+## Validator
+
+A Validator is an entity that participates in the consensus process by sharing its votes.
+
+## Validator Address
+
+Validator address is a unique identifier for validator on Pactus, they point to a stake balance,
+hash, number, last bonding height, last sortition height and last unbond height.
+
+# W
+
+## Withdraw
+
+A Withdraw is a transaction that you move unlocked staked of a validator (using unbond transaction)
+to an account address as its balance.