R

Rate

In the context of currency exchange, the term "Rate" refers to the exchange rate, which is the value of one currency in relation to another. It tells you how much one unit of a currency is worth in another currency.

See the Exchange rate.

Redeem

"Redeem" means to exchange, claim, or convert something of value, such as points, vouchers, or credits, for a reward, cash, or service.

Redeem

🔹 Common Uses of "Redeem"

1️⃣ Redeem Points or Rewards

• Use loyalty points to get discounts, free items, or services.

• Example: "You can redeem 500 points for a $10 gift card."

2️⃣ Redeem Vouchers or Coupons

• Convert a promo code or gift card into discounts or products.

• Example: "Enter this code to redeem a 20% discount on your next order."

3️⃣ Redeem Digital Codes

• Claim a digital product using a unique code.

• Example: "You can redeem your Xbox Game Pass code to activate your subscription."

4️⃣ Redeem Bonds or Investments

• Cash out financial securities like bonds or stocks.

• Example: "Investors can redeem their bonds after five years for the full value."

---

🔹 Example Sentences

✔ "I redeemed my airline miles for a free flight." ✔ "You can redeem this gift card at any store location." ✔ "He worked hard to redeem his reputation after the scandal."

Referral

See the Referral User

Referral User

A Referral User is a person who joins a service, buys a product, or signs up for an account through a referral link or referral program. This user is typically introduced by an existing customer who gets rewarded for the referral.

Referral code

A Referral Code is a unique alphanumeric code assigned to users that allows them to refer others to a service, product, or platform. When a new user signs up or purchases using the referral code, the referrer and the new user may receive rewards like discounts, credits, or cashback.

Referee

A Referee is someone who is being referred to a service, job, or opportunity by another person.

Reseller

A Reseller is a person or business that buys products or services from a manufacturer, wholesaler, or provider and then sells them to customers for a profit. Resellers do not typically produce the goods themselves but act as intermediaries.

See the Distributor.

Resource

A resource can be used to accomplish a task, support a process, or achieve a goal. Resources can be physical, digital, financial, or human. Here is in JFW:

• Object

• Service

RBAC (Role-Based Access Control)

Xem Role-Base Access Control

RBAC (Role-Based Access Control)

Role-Based Access Control (RBAC) is a security model that restricts access to systems, data, or resources based on a user's role within an organization. Instead of granting permissions to individual users, permissions are assigned to roles, and users are then assigned to those roles.

Role

A role is a defined set of permissions, responsibilities, or actions assigned to a user or system within an organization or application. Roles help control access by grouping users with similar privileges.

Role

🔹 Types of Roles in Different Contexts

1️⃣ Roles in IT & Software Security (RBAC)

In Role-Based Access Control (RBAC), roles determine what a user can and cannot do in a system. 📌 Example:

• Admin → Full access (create, edit, and delete users).

• Editor → Can create and edit content but not delete.

• Viewer → Can only read content.

2️⃣ Roles in Organizations

In businesses, roles define job functions and responsibilities. 📌 Example:

• HR Manager → Manages employee records.

• Sales Executive → Handled customer interactions.

• IT Support → Maintains technical infrastructure.

3️⃣ Roles in Software Development

Roles help manage access to databases, applications, and programming systems. 📌 Example:

• Database Administrator (DBA) → Manages database access.

• Frontend Developer → Works on user interfaces.

• Backend Developer → Handles server-side logic.

4️⃣ Roles in Cloud & SaaS Applications

Cloud services (AWS, Azure, Google Cloud) use roles for access control. 📌 Example:

• IAM Role in AWS → Defines permissions for cloud resources.

• Service Account Role in Google Cloud → Grants API access to applications.

---

🔹 Why Use Roles?

✔ Security: Restricts unauthorized access. ✔ Efficiency: It simplifies permission management. ✔ Scalability: Easier to manage access for growing teams.

---

🔹 Key Takeaways

🔹 Role = A defined set of permissions or responsibilities. 🔹 Used in RBAC, IT security, business, cloud, and development. 🔹 Helps with access control, security, and organization management.